Luna vs Cycly

Luna is the period and fertility tracker that keeps your most personal health data exactly where it belongs — on your device. No accounts. No cloud sync. No data sharing. Just intelligent, private cycle tracking powered entirely by on-device machine learning. YOUR DATA NEVER LEAVES YOUR PHONE Luna was built from the ground up with privacy as the foundation. Every prediction, every insight, every log entry is processed and stored locally. We can't see your data because it never reaches us — not even anonymized. SMART PREDICTIONS, PRIVATELY POWERED Luna's on-device ML model learns your unique cycle patterns over time, delivering increasingly accurate predictions for: Period start and end dates Fertile windows and ovulation estimates PMS and symptom pattern recognition Cycle length trends and irregularities TRACK WHAT MATTERS TO YOU Daily symptom and mood logging Flow intensity and duration Basal body temperature (BBT) Cervical mucus and ovulation signs Intimacy and contraception notes DESIGNED FOR EVERY BODY Luna adapts to irregular cycles, post-hormonal transitions, perimenopause, and more. There's no "normal" cycle — Luna learns yours. BUILT FOR TRUST At a time when reproductive health data has never been more sensitive, Luna takes a firm stance: what happens on your phone stays on your phone. No account required to get started. No subscription needed to unlock your own data. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Cycly is a beautifully simple period & cycle tracker that puts your privacy first — and follows you through every stage of life. 100% PRIVATE Your data is stored only on your iPhone. No account. No cloud. No tracking, no ads, no data ever sold. Our App Store privacy label is literally "Data Not Collected." Lock the app with Face ID for extra peace of mind. ONE-TIME PURCHASE — NO SUBSCRIPTION Pay once, own it forever. No hidden subscriptions, no yearly fees. Support an independent, privacy-first project instead of renting your own data back. TRACK YOUR CYCLE • Log flow, symptoms, mood & energy in seconds • A clean calendar with every phase • Predict your next period, ovulation and fertile window • Gentle reminders for your period, fertile window, ovulation and the pill EVERY LIFE STAGE — IN ONE APP • Cycle — your everyday tracker • Pregnancy — week-by-week, baby size, milestones and a kick counter • Menopause — track the transition toward 12 period-free months • Postpartum — recovery weeks and your 6-week checkup UNDERSTAND YOUR BODY (Premium) Cycle-length charts, full statistics, and a doctor-ready report you can export as PDF or CSV. Cycly is a tracking & educational tool, not a medical device. Predictions are estimates and don't replace medical advice. Medical disclaimer: Cycly is a tracking and educational tool, not a medical device, and does not provide medical advice, diagnosis, or treatment. Predictions are estimates. Always consult a qualified healthcare professional and seek your doctor's advice before making any medical decisions. Terms of Use: https://thiagoyosemite.github.io/cycly-legal/terms.html Privacy Policy: https://thiagoyosemite.github.io/cycly-legal/privacy.html